青海省天峻县阳康地区花岗岩岩体锆石U-Pb年代学及地球化学特征研究

方永坤, 曹成刚, 董峻麟, 李领贵

Geochronology and geochemistry of the granodiorite intrusion in Yangkang area of Qinghai Province and its geological significance

FANG Yong-Kun, Cao Cheng-Gang, DONG Jun-Lin, LI Ling-Gui

图3 阳康地区花岗闪长岩的U-Pb年龄谐和图(a)和加权平均年龄(b)

Fig.3 Zircon U-Pb concordia diagram (a) and weighted average ages diagram (b) from the granodiorite